O-TOLUIDINE DISULFONIC ACID(83-83-0)
- Name: O-TOLUIDINE DISULFONIC ACID
- Synonyms:2,2'-Biphenyldisulfonicacid, 4,4'-diamino-5,5'-dimethyl- (7CI,8CI); 4,4'-Diamino-5,5'-dimethyl-2,2'-biphenyldisulfonicacid; 5,5'-Dimethyl-2,2'-disulfobenzidine; NSC 37128
- Molecular Formula:C14H16 N2 O6 S2
- Molecular Weight:372.423
- CAS Registry Number:83-83-0
- EINECS:
- Melting Point:
- Water Solubility:
CAS No.83-83-0 [1,1'-Biphenyl]-2,2'-disulfonicacid, 4,4'-diamino-5,5'-dimethyl-
Assay:90%,98% Appearance:detailed see specifications Package:according to the clients requirement Storage:Store in dry, dark and ventilated place. Transportation:by air or by sea Application:Used in Synthesis, Pharmaceuticals and other fields
Min. Order:1Kilogram
Supplier:Dayang Chem (Hangzhou) Co.,Ltd. [
China (Mainland)] 
Assessed
SupplierTel:+86-571-88938639
Address:9/F, Unit 2 Changdi Torch Building, 259# WenSan Road, Xihu District, Hangzhou City 310012, P.R.China
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CAS No.83-83-0 O-TOLUIDINE DISULFONIC ACID
Assay:99% Appearance:NA Package:1KG-200KG with drum Storage:NA Transportation:By air/sea Application:Organic Chemicals
Min. Order:1Kilogram
Supplier:HENAN NEW BLUE CHEMICAL CO.,LTD [
China (Mainland)] 
Assessed
SupplierTel:86-371-55170693/55170694
Address:Zhengzhou International Trade New Territory,Jinshui District,Zhengzhou ,China
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CAS No.83-83-0 O-TOLUIDINE DISULFONIC ACID
Assay:99% Package:According to customer requirements Transportation:By Sea/Air/Courier Application:medicine
Min. Order:10Gram
Supplier:Zibo Hangyu Biotechnology Development Co., Ltd [
China (Mainland)] 
Assessed
SupplierTel:86-15965530500
Address:Room1701, Tianxing Building,Licheng district, jinan, Shandong, China
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CAS No.83-83-0 [1,1'-Biphenyl]-2,2'-disulfonicacid, 4,4'-diamino-5,5'-dimethyl-
Assay:99.0% Appearance:liquid Package:Grams, Kilograms Storage:Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials. Transportation:According to customer request Application:For R&D and commerical use
Min. Order:100Gram
Supplier:Chemlyte Solutions [
China (Mainland)] 
Assessed
SupplierTel:+86-189 8945 5137
Address:Jian Qiao Community, 789 Shenhua Road, Xihu District, Hangzhou, China, 310000
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CAS No.83-83-0 O-TOLUIDINE DISULFONIC ACID
Assay: 98%Min Appearance:Detailed in specifications Package:According to customer Storage:Store in dry, dark and ventilated place Transportation:By air or by sea Application:An important raw material and intermediate used in organic Synthesis, Pharmaceuticals
Min. Order:1Kilogram
Supplier:TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD [
China (Mainland)] 
Assessed
SupplierTel:15867601896
Address:Room 623 Yulan Square Bussiness Building . Jiaojiang Taizhou Zhejiang 318000 China
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CAS No.83-83-0 [1,1'-Biphenyl]-2,2'-disulfonicacid, 4,4'-diamino-5,5'-dimethyl-
Assay:99% Transportation:By sea Application:Pharmaceutical industry
Min. Order:0
Supplier:Antimex Chemical Limied [
China (Mainland)] Assessed
SupplierTel:0086-21-50563169
Address:Room1027,No.Jinyu Road,Pudong
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CAS No.83-83-0 [1,1'-Biphenyl]-2,2'-disulfonicacid, 4,4'-diamino-5,5'-dimethyl-
Assay:99% Transportation:By sea Application:Pharmaceutical industry
Min. Order:0
Supplier:Hubei Jiutian Bio-medical Technology Co., Ltd [
China (Mainland)] 
Premium
SupplierTel:+86-027-88013699
Address:Room 03-6, 5th floor, building 1, international enterprise center phase iii, no. 1, guanggu avenue, east lake new technology development zone, wuhan city
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CAS No.83-83-0 [1,1'-Biphenyl]-2,2'-disulfonicacid, 4,4'-diamino-5,5'-dimethyl-
Assay:99% Appearance:white powder Package:drum or based on customers' requirement Storage:normal temperature storage Transportation:by sea, by air Application:We have different specifications for different applications
Min. Order:1Metric Ton
Supplier:Bluecrystal chem-union [
China (Mainland)] 
Premium
SupplierTel:+86-1895157
Address:Liang Xi Qu
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CAS No.83-83-0 O-TOLUIDINE DISULFONIC ACID CAS No.83-83-0
Assay:99.90% Appearance:solid or liquid Package:As customer's requested Storage:sealed in cool and dry place Transportation:by courier/air/sea Application:Pharma Intermediate
Min. Order:0
Supplier:Guangdong Juda Chemical Industrial Co.,Limited [
China (Mainland)] Premium
SupplierTel:+86-15527996628
Address:Guangzhou chemical city Tianhe District Guangzhou Guangdong China
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CAS No.83-83-0 O-TOLUIDINE DISULFONIC ACID
Assay:95% Application:For research use only.
Min. Order:0
Supplier:BOC Sciences [
United States] 
Premium
SupplierTel:1-631-485-4226
Address:Ramsey Road
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CAS No.83-83-0 O-TOLUIDINE DISULFONIC ACID
Assay:99% Application:It is an important raw material.
Min. Order:0
Supplier:Shandong Mopai Biotechnology Co., LTD [
China (Mainland)] Premium
SupplierTel:+86-15965530500
Address:shandong
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